raw hexagonal deep blue sapphire aluminium corundum crystal |
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navigate by keyword : al2o3 aluminium background blue gemstone ceylon sapphire closeup corundum crystal crystalline crystals deep expensive gem gemology genuine geology hard stone hardness hexagonal structure isolated loose macro material mineral mineralogy natural nature opaque polished precious stones rare real rich rock rough ruby semiprecious shiny specimen sri lanka texture unheated white |
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Real raw hexagonal deep blue sapphire, aluminium corundum crystal uncut natural stone macro isolated on a white surface background |
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